Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997242 | Spring retainer and spring system | Noritoshi Takamura | 2011-08-16 |
| 7971690 | Coned disc spring | — | 2011-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997242 | Spring retainer and spring system | Noritoshi Takamura | 2011-08-16 |
| 7971690 | Coned disc spring | — | 2011-07-05 |